Robert J. Loderbauer

Robert J. Loderbauer Auctioneer and Estates

We are a family based business located in Appleton, Wisconsin. As June,1991 graduates of Sonny Bartel’s School of Auctioneering in Ellsworth, WI, Robert and Kristine went to work on setting up their own auction business and it has been going strong ever since. Robert J. Loderbauer Auctioneer & Estates LLC provides both live and online auction services, conducts personal property appraisals and coordinates estate/tag sales as well. Providing flexibility ensures that the customer receives the best possible outcome. Robert obtained his designation as a Certified Personal Property Appraiser in April, 2011. Robert also has 34 years experience with a local CPA firm as well as managing a family tax preparation business for 28 years so he can also enlighten his clientele with tax highlights and answers to many of their questions.

“No auction too big or too small,  we can do them all”

Upcoming Auctions:

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Real Estate:



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The Wisconsin Auctioneers Association actively advocates for the auction industry through grassroots lobbying and a WAA legislative fund. Member engagement and donations are key to the success of WAA advocacy efforts.

WAA President

Riley Kahl

Our Mission is to educate, promote and protect the auction industry of Wisconsin:

to encourage Auctioneers; to enhance skills, knowledge and professionalism;

to promote the auction method of marketing for sale of real and personal properties.

The Lodge at Mauston

Online booking code is: WAA2024
Guests can book by going online to:
Or calling (608) 747-2200

Learning the Art of Auctioneering

Auctioneer Schools
State Exam

Sales & Use Tax


It is the duty of every member to protect the public against fraud, misrepresentation or unethical practices in connection with the sale, disposition or liquidation of any real or personal property the auctioneer is called upon to dispose of at public auction.


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Larry Harb

Mr. Harb aka… the Auctioneer Insurance Guy, is the founder and CEO of,...

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Contact Us

2080 W 9th Avenue, #310
Oshkosh, WI 54904
(608) 228-4880